<template>
  <div class="login_container">
    <div>测试git</div>
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar-box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 登录表单区域 -->
      <el-form
        :model="loginForm"
        :rules="loginFormRules"
        class="login_form"
        ref="loginFormRef"
      >
        <!-- 用户名框 验证规则要加给item而不是input-->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="el-icon-user-solid"
          ></el-input>
        </el-form-item>
        <!-- 密码框 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="el-icon-lock"
            type="password"
          ></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  name: 'UserLogin',
  data() {
    return {
      loginForm: {
        username: '',
        password: ''
      },
      // 表单验证规则
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入用户密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 重置登录表单
    resetLoginForm() {
      //   console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) return
        // 解构赋值,接受数据里面data重命名为res
        const { data: res } = await this.$http.post('login', this.loginForm)
        // console.log(res)
        if (res.meta.status !== 200) return this.$message.error('登录失败')
        this.$message.success('登录成功')
        // 登录成功之后保存token
        sessionStorage.setItem('token', res.data.token)
        // 登录成功之后通过编程式路由跳转到home页面
        this.$router.push('/home')
      })
    }
  }
}
</script>
<style lang="less" scoped>
.login_container {
  height: 100%;
  background-color: #2b4b6b;
  .login_box {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    .avatar-box {
      position: absolute;
      left: 50%;
      //   top: -65px;
      transform: translate(-50%, -50%);
      width: 130px;
      height: 130px;
      background-color: #fff;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  box-sizing: border-box;
  padding: 0 10px;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
